* {
  margin: 0;
  padding: 0;
}
html {
  position: fixed;
  width: 100%;
  height: 100%;
  // height: 900px;
  background: url(../images/bgc.jpg) no-repeat top center;
  filter: alpha(opacity=70);
  -moz-opacity: 0.7;
  opacity: 0.7;
  z-index: -1;
}
a {
  text-decoration: none;
}
.box,
.change_box {
  width: 400px;
  height: 550px;
  // background-color: rgb(195, 224, 233, 0.3);
  background: rgba(160, 180, 220, 0.5);
  padding: 10px;
  margin-left: 50%;
  margin-top: 80px;
  border-radius: 15px;
  text-align: center;
  color: aliceblue;
  font-size: 18px;
  font-family: "Franklin Gothic Medium", "Arial Narrow", Arial, sans-serif;
  -webkit-transform: translateX(-50%);
  transform: translateX(-50%);
  &:hover {
    box-shadow: 0px 0px 20px skyblue;
  }
  div {
    height: 20px;
  }
  h1 {
    height: 60px;
    line-height: 60px;
    margin-bottom: 15px;
    border-bottom: 2px solid skyblue;
    text-align: center;
    color: white;
  }
  input {
    margin: 12px 10px;
    width: 300px;
    height: 35px;
    color: aliceblue;
    font-size: 18px;
    background: rgba(0, 0, 0, 0.05);
    // border-color: rgb(205, 223, 235, 0.2);
    border: 1px solid rgb(171, 212, 228);
    border-radius: 2px;
    outline: none;
    &:hover {
      background-color: rgb(153, 175, 209);
    }
    &::-webkit-input-placeholder {
      font-size: 13px;
      color: #ccc;
    }
    &::-moz-placeholder {
      font-size: 13px;
      color: #ccc;
    }

    &::placeholder {
      font-size: 13px;
      color: #ccc;
    }
  }
}
.told {
  position: fixed;
  left: 40%;
  -webkit-transform: translateX(-50%);
  transform: translateX(-50%);
  top: 45%;
  -webkit-transform: translateY(-50%);
  transform: translateY(-50%);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 15rem;
  height: 8rem;
  padding: 1rem;
  border-radius: 2rem;
  z-index: 100;
  background-color: #fff;
  border: 0.125rem solid skyblue;
  box-sizing: border-box;
  &:hover {
    box-shadow: 0px 0px 20px skyblue;
  }
  button {
    position: absolute;
    top: 1rem;
    right: 1rem;
  }
  p {
    color: red;
  }
}
.short {
  width: 5rem;
  background-color: white;
  border: 0.125rem solid skyblue;
}
